english deutsch
Blaise Pascal
http://www-groups.dcs.st-andrews.ac.uk/~history/Mathematicians/Pascal.html
Scholarly biography includes excerpts from Pascal's own writings.
Blaise Pascal (1623 - 1662)
http://www.maths.tcd.ie/pub/HistMath/People/Pascal/RouseBall/RB_Pascal.html
Detailed biography reproduced from a 1908 history of mathematics.
Encarta: Pascal, Blaise
http://encarta.msn.com/find/Concise.asp?z=1&pg=2&ti=761570097
Encyclopedia article provides a summary of Pascal's life and work.